Apex domains cannot have CNAME records.
Question and response
Question
dig okeydokeypokey.com. NS
Answer
okeydokeypokey.com. 5 NS ns-788.awsdns-34.net.
okeydokeypokey.com. 5 NS ns-1299.awsdns-34.org.
okeydokeypokey.com. 5 NS ns-449.awsdns-56.com.
okeydokeypokey.com. 5 NS ns-584.awsdns-09.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0